# mkHScale w
#
# Create a top-level window that displays a horizontal scale.
#
# Arguments:
#    w -	Name to use for new top-level window.

proc mkHScale {{w .scale2}} {
    catch {destroy $w}
    toplevel $w
    dpos $w
    wm title $w "Horizontal Scale Demonstration"
    wm iconname $w "Scale"
    message $w.msg -font -Adobe-times-medium-r-normal--*-180* -aspect 300 \
	    -text "A bar and a horizontal scale are displayed below.  If you click or drag mouse button 1 in the scale, you can change the width of the bar.  Click the \"OK\" button when you're finished."
    frame $w.frame -borderwidth 10
    button $w.ok -text OK -command "destroy $w"
    pack $w.msg $w.frame $w.ok -side top -fill x

    frame $w.frame.top -borderwidth 15
    scale $w.frame.scale -orient horizontal -length 280 -from 0 -to 250 \
	    -command "setWidth $w.frame.top.inner" -tickinterval 50
    pack $w.frame.top -side top -expand yes -anchor sw
    pack $w.frame.scale -side bottom -expand yes -anchor nw

    frame $w.frame.top.inner -geometry 20x40 -relief raised -borderwidth 2 \
	    -bg SteelBlue1
    pack $w.frame.top.inner -expand yes -anchor sw
    $w.frame.scale set 20
}

proc setWidth {w width} {
    $w config -geometry ${width}x40
}
